分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Percoidei (Perchs) >
Percidae (Perches) > Etheostomatinae
Etymology: Etheostoma: Greek, etheo = to strain + Greek, stoma = mouth; Rafinesque said "various mouths", but Jordan and Evermann suggest the name might have been intended as "Heterostoma (Ref. 45335); ditrema: ditrema meaning two holes, referring to the twin coronal pores (Ref. 10294).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 亞熱帶的; 36°N - 32°N
North America: found only in Coosa River system in Georgia, Alabama and southeastern Tennessee, USA.
北美洲: 發現在喬治亞州，阿拉巴馬州與美國田納西州東南方只在可薩河流域中。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 5723); common length : 3.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 12193); 最大年龄: 2.00 年 (Ref. 12193)
Inhabit vegetated springs and spring runs (Ref. 5723, 10294). Adults feed on amphipods, midge larvae, isopods and copepods (Ref. 10294). Eggs are found attached to the substrate unguarded (Ref. 7043).
栖息于长满植物的泉水与泉水溪流。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Eggs are found attached to the substrate unguarded (Ref. 7043).北美洲: 發現在喬治亞州，阿拉巴馬州與美國田納西州東南方只在可薩河流域中。
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
濒危 (EN) (B2ab(ii,iii,iv,v)); Date assessed: 09 December 2011
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00301 - 0.01516), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (tmax=2; Fec=23-44).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
